*{
    border: 0;
    margin: 0;
    padding: 0;
    list-style: 0;
}
.leader{
    width: 90%;
    margin: 0px auto 0px;
    height: 55px;
    line-height: 55px;
}
li{
    float: left;
}
li>a{
    text-decoration: none;
    margin-left: 30px;
    color: black;
    font-size: 14px ;
}
.p1{
    float: left;
    line-height: 55px;
    height: 55px;
}
.p2{
    width: 20px;
    position: relative;
    top: 5px;
}
.p3{
    width: 20px;
    margin-right: 50px;
    position: relative;
    top: 5px;
}
.p4{
    width: 20px;
    margin-right: 50px;
    position: relative;
    top: 5px;
}   
.header1-3{
    float: right;
    position: absolute;
    top: -164px;
    right: 0px;
}
.leader1{
    text-decoration: none;
    margin-left: 30px;
    color: black;
}
.chuansong{
    height: 50px;
    line-height: 50px;
    width: 90%;
    margin: 0px auto 0px;
}
.big1{
    width: 90%;
    margin: 0px auto 0px;
    height: auto;
    overflow: hidden;
    margin-top: 100px;
}
.big2{
    width: 90%;
    margin: 0px auto 0px;
    height: auto;
    overflow: hidden;
    margin-top: 100px;
}
.di{
    width: 100%;
    background-color: #f2f2f2;
}
.big3{
    width: 90%;
    margin: 0px auto 0px;
    height: auto;
    overflow: hidden;
    width: 90%
}